Shared from Yui | Playground
Lesson: compound interest as one deck
One screen from Yui, drawn from 19 lines of Yui Lines.
Drawing the screen...
The lines the agent sends:
say "Compound interest in a minute. Swipe through."
>full
deck "Compound interest"
page "Money that grows on itself" body="Your interest joins the pile. Next year the pile earns interest too."
shapes
shape circle $100 +grow
shape arrow
shape box "+10%" +fill tone=butter
shape arrow
shape blob $110 +pulse tone=mint
page "The formula" body="P is what you put in, r the rate, t the years. A is what you end with."
math A = P(1 + r)^t
page "It bends upward" body="The same 10% adds more every year, because the pile keeps growing."
chart line "$100 at 10% a year" x=Y0|Y5|Y10|Y15|Y20 y=100|161|259|418|673
page "Twenty years later" body="You put in $100. Time did the rest."
stat $673 "After 20 years" delta=+573 spark=100|161|259|418|673
choose "Which lever grows the pile fastest?" "More time"|"Checking daily"|"A bigger first deposit only" answer="More time"
page "Try it" body="Slide the start, the rate and the years."
calc f="A = P*(1+r)^t" P=100-1000@100 [email protected] t=0-20@10